#app {

  // 主体区域 Main container
  .main-container {
    height: 100%;
    /// transition: margin-left .28s;
    /// margin-left: $sideBarWidth;
    /// position: relative;
  }

  // 侧边栏 Sidebar container
  .sidebar-container {
    transition: width 0.28s;
    width: $sideBarWidth !important;
    flex-basis: $sideBarWidth;
    background-color: $--menu-background-color;
    height: 100%;
    /// position: fixed;
    font-size: 0px;
    /// top: 0;
    /// bottom: 0;
    /// left: 0;
    z-index: 1001;
    overflow: hidden;

    //reset element-ui css
    .horizontal-collapse-transition {
      transition: 0s width ease-in-out, 0s padding-left ease-in-out, 0s padding-right ease-in-out;
    }

    .scrollbar-wrapper {
      overflow-x: hidden !important;

      /*.el-scrollbar__view {
        height: 100%;
      }*/
    }

    .el-scrollbar__bar.is-vertical {
      right: 0px;
    }

    .el-scrollbar {
      height: 100%;
    }

    &.has-logo {
      .el-scrollbar {
        height: calc(100% - 50px);
      }
    }

    .is-horizontal {
      display: none;
    }

    a {
      display: inline-block;
      width: 100%;
      overflow: hidden;
      // 处理ie下样式问题
      margin-bottom: -1px;
    }

    .svg-icon {
      width: 1.2em;
      height: 1.2em;
      margin-right: 10px;
    }

    .el-menu {
      border: none;
      height: 100%;
      width: 100% !important;

      .el-submenu__icon-arrow {
        margin-top: -5px;
      }

      .el-submenu {
        margin-bottom: -1px;

        .nest-menu .el-submenu__icon-arrow {
          margin-right: 16px;
        }

        &.is-opened {
          .el-menu-item, .el-submenu__title {
            background-color: $--sub-menu-expand-background-color !important;

            &:hover {
              background-color: $--menu-item-hover-fill !important;
            }
            &.is-active {
              background-color: $--menu-item-hover-fill !important;
            }
          }
        }

        // menu hover
        .submenu-title-noDropdown, .el-submenu__title {
          color: $--sub-menu-item-color !important;
          background-color: $--menu-background-color;
          height: $menuHeight;
          line-height: $menuHeight;

          > i {
            color: $--menu-item-font-color;
          }

          &:hover {
            background-color: $--menu-item-hover-fill !important;
          }
        }
      }

      .nest-menu .el-submenu > .el-submenu__title, .el-submenu .el-menu-item {
        min-width: $sideBarWidth !important;
        background-color: $--sub-menu-background-color;

        &:hover {
          background-color: $--sub-menu-item-active-fill !important;
        }
      }
    }
  }

  .sidebar-mini {
    .sidebar-container {
      width: $miniSideBarWidth !important;
      flex-basis: $miniSideBarWidth;
    }

    /*.main-container {
      margin-left: 54px;
    }*/

    .svg-icon {
      margin-right: 0px;
    }

    .submenu-title-noDropdown {
      padding: 0 !important;
      position: relative;

      .el-tooltip {
        padding: 0 !important;

        .svg-icon {
          margin-left: 20px;
        }
      }
    }

    .el-submenu {
      overflow: hidden;

      &>.el-submenu__title {
        padding: 0 !important;

        .svg-icon {
          margin-left: 20px;
        }

        .el-submenu__icon-arrow {
          display: none;
        }
      }
    }

    .el-menu--collapse {
      .el-submenu {
        &>.el-submenu__title {
          &>span {
            height: 0;
            width: 0;
            overflow: hidden;
            visibility: hidden;
            display: inline-block;
          }
        }
      }
    }
  }

  .el-menu--collapse .el-menu .el-submenu {
    min-width: $sideBarWidth !important;
  }

  // 适配移动端, Mobile responsive
  .mobile {
    .main-container {
      margin-left: 0px;
    }

    .sidebar-container {
      transition: transform .28s;
      width: $sideBarWidth !important;
      flex-basis: $sideBarWidth;
    }

    &.sidebar-mini {
      .sidebar-container {
        pointer-events: none;
        transition-duration: 0.3s;
        transform: translate3d(-$sideBarWidth, 0, 0);
        width: 0 !important;
        flex-basis: 0;
      }
    }
  }

  .withoutAnimation {

    .main-container,
    .sidebar-container {
      transition: none;
    }
  }
}

// when menu collapsed
.el-menu--vertical {
  &>.el-menu {
    .svg-icon {
      margin-right: 16px;
    }
  }

  .nest-menu .el-submenu > .el-submenu__title, .el-menu-item {
    background-color: $--menu-background-color;
    &:hover {
      // you can use $subMenuHover
      background-color: $--menu-item-hover-fill !important;
    }

    > i {
      color: $--menu-item-font-color;
    }
  }

  // the scroll bar appears when the subMenu is too long
  >.el-menu--popup {
    max-height: 100vh;
    overflow-y: auto;

    &::-webkit-scrollbar-track-piece {
      background: #d3dce6;
    }

    &::-webkit-scrollbar {
      width: 6px;
    }

    &::-webkit-scrollbar-thumb {
      background: #99a9bf;
      border-radius: 20px;
    }
  }
}
